Modal noise investigation in multimode polymer waveguides

Joseph Beals IV; Nikos Bamiedakis; Richard V. Penty; Ian H. White; Jon V. DeGroot Jr.; Terry V. Clapp

doi:10.1117/12.744806

21 November 2007 Modal noise investigation in multimode polymer waveguides

Joseph Beals IV, Nikos Bamiedakis, Richard V. Penty, Ian H. White, Jon V. DeGroot Jr., Terry V. Clapp

Proceedings Volume 6781, Passive Components and Fiber-based Devices IV; 67810Q (2007) https://doi.org/10.1117/12.744806
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

In this work the recent interest in waveguides for use in short optical links has motivated a study of the modal noise dependence on launch conditions in short-reach step-index multimode polymer waveguides. Short optical links, especially those with several connection interfaces and utilising a restricted launch are likely to be subject to a modal noise power penalty. We therefore experimentally study the modal noise impact of restricted launches for a short-reach optical link employing a 50 x 50 μm polymer multimode waveguide. Lens launches resulting in small diameter input spots are investigated as are restricted launches from an 8 μm core optical fibre. For a launch spot of 10 μm diameter no impairment is observed for up to 9 dBo of mode selective loss, and for a fibre launch with a dynamic input movement of 6 μm no impairment is seen for up to 8 dBo of mode selective loss.

Citation Download Citation

Joseph Beals IV, Nikos Bamiedakis, Richard V. Penty, Ian H. White, Jon V. DeGroot Jr., and Terry V. Clapp "Modal noise investigation in multimode polymer waveguides", Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67810Q (21 November 2007); https://doi.org/10.1117/12.744806

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